556 CONTKIBUTIONS FROM THE NATIONAL HEEBARIUM. 



COLEOSANTHUS. 



Leaves cordate-triangiilar, coarsely tootlied I. C. grand ijlorus. 



Leaves oblong or lanceolate, entire. 



Akenes glandular 2. C. ohlongifoUus. 



Akenes hispid, not glandular 3. V. linifolius. 



1. Coleosanthus grandiflorus (Nutt.) Kuntze, Rev. Gen. PI. 1: 328. 189L 

 Brickellia grandijlora Nutt. Trans. Am. Phil. Soc. 7: 287. 1840. 



Type locality: "In the Rocky Mountain range by streams in gravelh' places, and west 

 to the lower falls of the Columbia." Collected by Nuttall. 



Range: Washington and Montana to New Mexico and Arizona. 



Specimens examined: Spokane, Piper 2381 ; Kreager 542, 547; Spokane Falls, Geyer 

 452; Blue Mountains, Salmon River, Homer 351. 



Zonal distribution : Arid Transition. 



2. Coleosanthus oblongifolius (Nutt.) Kuntze, Rev. Gen. PI. 1: 328. 1891. 

 BricMlia ohhngifolia Nutt. Trans. Am. Phil. Soc. 7: 288. 1840. 



Type locality': "Gravel bars of the Columbia and tributarj' streams, and along the 

 Wahlamet, common." Collected by Nuttall. 



Range: British Columbia to Oregon. 



Specimens examined: Peshastin, Samlberg t& Leiherg 491 ; Klickitat Prairie, TIovvU: 

 without locality, Vasey in 1889; Rattlesnake Mountains, Cotton 710; Umtanum Creek, Cotton 

 819. 



Zonal distribution: Arid Transition. 



3. Coleosanthus linifoUus (Eaton) Kuntze, Rev. Gen. PI. 1: 328. 1891. 

 BricJceUia linifoUa Eaton in S. Wats. Bot. King. Explor. 137. fl. 15. 1871. 

 Type locality^: "Sandy bottoms of American Fork, Jordan Valley, Utah." 

 Range : Washington to Utah and Arizon-a. 



Specimens examined: Ellensburg, Elmer 369; Piper 2745; Whited 690, 574; Egbert. 

 Springs, Samlberg & Leiherg 408; Yakima region, Brandegee 836; Spokane, Henderson 2277; 

 Pi/w; bai-s of Touchet River, i7o/7i€/' 354; Spokane Bridge, Saiulberg, AIcDouyal, & Heller 

 911. . 



Zonal distribution: Arid Transition and Upper Sonoran. 



GRINDELIA. 



Heads small, to 8 mm. high; bracts scjuarrose. 



Rays present 1. G. n/ina. 



Rays wanting _ _ la. G. nana colurnbiana. 



Heads larger; bracts not scjuarrose. 



Cauline leaves broadest at base 2. G. integrifolia. 



Cauline leaves narrowest at base. 



Stems suffrutescent 3. G. hendersoni. 



Stems herbaceous 4. G. oregana. 



1. Grindelia nana Nutt. Trans. Am. Phil. Soc. 7: 314. 1840. 



Type locality: "Forests of Oregon, near Fort Vancouver, etc." Collected 1)V Nuttall. 



Range: Washington to W^'oming and California. 



Specimens examined: Fort Vancouver, Nuttall; Chelan, Ehncr 498; Spangle, Snl-Hdorf 

 333; Spokane, Henderson, July 9, 1892; Belmont, Piper 1833; St. Johns, ZaA-e cf' Hull 754; 

 Pullman, Hardwick, August 18, 1895; Waitsburg, Homer 566. 



Zonal distribution: Arid Transition. 



la. Grindelia nana colurnbiana nom. no v. 

 Grindelia discoidea Nutt. Trans. Am. Phil. Soc. 7: 315. 1840, not Hook. & Arn. 1836. 

 Grindelia nana discoidea A. Gray, Syn. Fl. cd. 2. 1-: 119. 1884. 



